Natural Chemistry Pro Series Stain & Scale Control, 1 gal Bottle | 20701PRO Enzymes protecting it from degradation by

protecting it from degradation by UV light

Reemay 2040 polyester media and 175 precision pleats

voltage change device and definitive shaft access (7/16" wrench)

Bend is 6-Inch radius

this cartridge maximizes filtration surface area to capture fine particulates and maintain crystal-clear water — cycle after cycle

Natural Chemistry Pro Series Stain & Scale Control, 1 gal Bottle | 20701PRO Enzymes protecting it from degradation byNatural Chemistry Pro Series Stain & Scale Control 1 gal Bottle PRO SERIES Stain and Scale Control helps protect pools from the damaging effects of scale buildup and staining due to excessive calcium, iron, copper and other minerals. It works without the use of phosphates or harsh acids. This product also works very well at reducing scale from forming on chlorine generator cells and UV crystal lenses in order to help maintain optimum performance. Pro